2120995 has 4 divisors (see below), whose sum is σ = 2545200. Its totient is φ = 1696792.

The previous prime is 2120981. The next prime is 2121011. The reversal of 2120995 is 5990212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2120995 - 2¹⁵ = 2088227 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212095 + ... + 212104.

It is an arithmetic number, because the mean of its divisors is an integer number (636300).

2^2120995 is an apocalyptic number.

2120995 is a deficient number, since it is larger than the sum of its proper divisors (424205).

2120995 is an equidigital number, since it uses as much as digits as its factorization.

2120995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424204.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 2120995 is about 1456.3636221768. The cubic root of 2120995 is about 128.4832602458.

The spelling of 2120995 in words is "two million, one hundred twenty thousand, nine hundred ninety-five".